[Class : 11] Water Purification Filters; Water Treatment Filters; Water Filtering Units; Water Filtering Installations; Water Filtering Apparatus; Filter Boxes For Water Purification; Water Filters For Industrial Purposes; Electrostatic Filters For Water Filtration; Filters For Water Release Devices; Filter Apparatus For Water Supply Installations; Water Filters [Machines] For Agricultural Purposes; Water Filters [Installations] For Agricultural Purposes; Filters For Sanitary Water Distribution Apparatus; Power Filters For Water Purification [Other Than Machines]; Filter Elements For The Overflows Of Water Supply Tanks; Filter Elements For The Air Vents Of Water Supply Tanks; Water Purification Units; Water Purification Apparatus; Water Purification Machines; Water Purification Installations; Waste Water Purification Units; Water Treatment Apparatus For Water Purification; Water Purification, Desalination And Conditioning Installations; Flow Restrictors For Reverse Osmosis Water Purification Units Included In Class 11